Automatic pistol



Dec. 9, 1924. 1,518,602

J. D. PEDERSEN AUTOMATI C PI STOL Filed March ll, 1920 INVENTOR JOHN D.PEDERSEN luum- BY wlTNEssEs: 55/

Patented Dec. 9, 1924.

UNITED STATES JOHN :DOUGLAS PEDEBVSEN, 0F JACKSON, WYOMING.

AUTOMATIC PISTOL.

Application led March. 11, 1929.v Serial No. 384,899.

Toall whom z't may concern.:

Be it known that I, JOHN DOUGLAS PannusEN, a citizen of the UnitedStates, residing at Jackson, in the county of Lincoln and State ofWyoming, have invented certain new and useful Improvements in AutomaticPistols, of which the following is a specification.

This invention relates to improvements in automatic pistols of the typeincluding a barrel-carrying and magazine-containing frame and abreechblock-carrying slide actuated by the force of the explosion orretractible by hand and has particular referenceto pistols of this typein which the slide is moved forwardly ofi' the frame when disassemblingthe arm. An object of my invention is to provide an ejector for arms ofthis type so constructed that it will be unnecessary to cut a slot intothe rear end of the slide to provide a clearance for the ejector whendisassembling the arm, thereby preventing gases, particles of unburnedpowder, or broken primers from blowing back into the face of theshooter. A further object is to provide a movable ejector so constructedthat it will automatically be moved out of obstruct-ing position whenthe slide is removed from the frame, but will be returned to operativeposition when the magazine is replaced, or the slide is assembled on theframe.

But it will be understood that I do not intend to restrict the presentinvention to a magazine pistol, nor to any particular kind of firearm,nor to the combination of the several features in a single firearm.

My invention is embodied in one of its forms in the attached drawingswhereinz` Fig. 1 is a side elevation of an automatic pistol embodying'my invention, parts thereof being shown in section.

Fig. 2 is a view similar to Fig. 1 showing the slide partly withdrawn,and the ejector rocked down out of the way.

Fig. 3 is a sectional view on the line 3-3 of Fig. 1.

Fig. 4 is a plan view of the frame, the slide being omitted.

Fig. 5 is a view similar to Fig 1 showing a somewhat modified form ofthe invention.

Fig. 6 is a reduced plan view of the frame of Fig. 5, the slide beingomitted.

Fig. 7 shows a section on the line 7-7 of Fig. 6, somewhat enlarged.

In these drawings the invention is illustrated as applied to anautomatic pistol of the type shown in my United States Patent #1,348,733dated August 3, 1920, but it is to be understood that the invention isapplicable in its broader aspects also to various other types offirearms.

In said drawings the numeral 5 designates the frame of the arm, carriedby the handle 6. Slidably mounted upon said frame `is the action slide7,. carrying the breech-block 8 which may be integral with the slideitself or carried thereby in any other suitable way; it being shown inthe drawings as movable relative to the slide as in said prior patent.The numeral 9 designates the rear portion of .the barrel which may berigidly or reciprocably carried by the frame. The numeral /10 designatesa suitable firing pin extending through the breech-block for actuationby the hammer l1 which may be released by a suitable trigger 12. 13represents a cartridge magazine mounted in the handle and having aspring-tensioned follower 14. 15 designates an extractor carried by thebreech-block for withdrawing the empty cartridge case from the chamberand against the ejector 16 whereby it is thrown side-- ways out of thearm through a suitable opening in the slide. The ejector normally worksin a groove 17 cut in the bottom of the breech block and extending froma point adjacent the ejector to the forward end of the block.

In the form of Figs. 1 to 4 inclusive, the

ejector is formed with a central substantially circular boss 19 whichmay have a concentric extension 20. This boss and extension are mountedfor partial rotation in seats 21 and 22, respectively, in the frame,andheld in place by the left side 7 Of the slide 7. The lower part ofthe boss may be extended outward underneath the lower edge of the slideas at 23.

To the rear of the boss the ejector is formed with a tail 24 having aface 25 engageable with a face On the frame for limiting the movement ofthe ejector in one direction and for receiving the thrust of the shellupon ejection. The upper face 26 may be engaged at certain times by thebreech. block 8, as will be described later.

It will be seen therefore that the ejector is rotatable from the normalposition shown in Fig. l, to that of Fig. 2, wherein it 'depressed outof the way of the slide to permit disassembling.

It is desirable, although not essential, to provide detent means forresilientl or frictionally holding the ejector in eit er position. As anexample of such a detent, the boss 19 may be formed with a recess 27containing a compression spring 28 and a plunger 29 bearing against asubstantially circular face 30 on the frame. Notches 31 and 32 serve asseats for the plun er when the ejector is in normal or in epressedposition. j

When it is desired to disassemble'the arm, the magazine 13 is firstwithdrawn and the slide moved forwardly off the frame, whereby theejector is turned on its pivot to the position shown in Fig. 2. Thisobviates the necessity of cutting a slot into the rear end of the slideto provide a clearance for the ejector when disassembling the-arm,thereby improving the appearance of the arm and preventing gases,particles of unburned powder, or broken primers from blowing back intothe face of the shooter. When the arm is reassembled, the action springcauses the breech-block 8 to press down upon the face 26 and to lift theejector to normal position. The same result may also be obtained by thewing 13 at the top of the magazine which may engage with and lift theejector to its normal position.

In Figs. 5, 6 and 7 is shown a pivoted ejector of this type so designedthat it can be fashioned from sheet metal. It comprises the ejectorproper 36 fpivoted at 37 on a pin 38 mounted in the rame 5. The ejectorhas a tail 39 having faces 40 and 4l for cooperating, respectively, withfaces on the frame 5 and breech block 8. The spring washer 43 lying inthe recess 42 may be provided to serve as a detent. The operation ofthis form is the same as that of Figs. l to 4 inclusive.

It will be seen, therefore, that I have provided a construction whichfulfills the objects primarily stated and while only two forms thereofhave been illustrated and described, itis to be understood thatmodications thereof may be made without departing from my invention asdefined in the annexed claims:

l. In a firearm of the type wherein a breech-block is slidably carriedby a frame and is removable therefrom in a forward direction indisassembling the arm, an ejector pivoted to the frame and having aportion positioned above the bottom of the breech-block when inoperativer position, and a groove in said breech-block for receivingsaid portion of the ejector having a rear wall adjacent said ejector andeX- tending forwardly.

2. In a firearm of the type wherein a breech-block is slidably carriedby a frame and is removable therefrom in a forward direction indisassembling the arm, an ejector pivoted to the frame and having aportion positioned above the bottom of the breech-block when inoperative position, a groove in said breech-block for receiving saidportion of the ejector beginning adjacent said ejector and extendingforwardly, and a magazine engageable with said ejector to move it into oerative position.

3. In a rearm of the type wherein a breech-block is slidably carried bya frame and is removable therefrom in a forward direction indisassembling the arm, an ejector pivoted to the frame and having aportion above the bottom of the breech-block when in operative position,and a groove in said breech-block for receiving said portion of theejector beginning forward of the rear end' of said breech-block andextending forwardly, whereby a visible clearance slot for the ejector isavoided.

4. In a firearm of the type wherein a breech-block is slidably carriedby a frame and is removable therefrom in a forward direction in disassembling the arm, an ejector pivoted to the frame and having a por-'tion located above the bottoni of the breechblock when in operativeposition, and a groove in said breech-block for receiving said portionof the ejector beginning adjacent said ejector and extending forwardly,said breech-block being engageable with said ejector to move it intooperative position.

5. In a firearm, a frame having a circular recess, an ejector having aboss located in said-recess and detent means for restraining said bossagainst rotation.V

6. In a firearm, :i frame having a circular recess, an ejector having aboss located in said recess and detent means for restraining said bossagainst rotation, said vmeans comprising a spring pressed plungermounted in the boss the frame.

7. In a firearm, a frame having a circular recess, an ejector having aboss located in said recess and detent means for restraining said bossagainst rotation, said means comprising a spring pressed plunger mountedin the boss and cooperating with notches in the frame, whereby theejector is held in positions determined 'by said notches.

8. In a firearm of the type wherein a breech-block is slidably carriedby a frame, an ejector pivoted to the frame and movable from operativeposition and an` extension on said ejector engageable by the breechblockfor restoring the ejector to operative position when the breech-block isassembled on the frame.

9. In a firearm of the type wherein a breech-block is slidably carriedby a frame, an ejector pivoted to the frame and movable and cooperatingwith ejector being formed with a rearward exl tension having,breech-block for restoring the ejector to opa face engageable by theerative position when the breech-block is assembled on the frame.

10. In a firearm of the type wherein a breech-block is slidably carriedby a frame, an ejector pivoted to the frame and movable from operativeIposition to inoperative position when the arm is disassembled, saidejector being formed with a rearward extension having a face engageableby the breech-block for restoring the ejector to operative position whenthe breech-block isv assembled on the frame and having a second faceengageable with the frame for arresting the ejector in operativeposition.

11. In a firearm of the type wherein a breech-block is slidably carriedby a frame and is removable therefrom in a forward direction indisassembling the arm, an ejector pivoted to the frame and having aportion positioned above the bottom of the breech-block when inoperative position, and a groove in said breech-block for receiving saidportion of the ejector, saidvgroove beginning at a point forward of therear end of the breech-block and extending forwardly from said point.

12. In a firearm of the type wherein a breech-block is slidably carriedby a frame and is removable therefrom in a forward direction indisassembling the arm, an ejector pivoted to the frame and movable fromoperative position to inoperative position when the arm is disassembled,and an extension on said ejector engageable by the breech-block forrestoring the ejector to operative position when the breech-block isassembled on the frame.

- 13. An ejector for an automatic pistol having a detachable magazineand a movable breech slide dimnountable towards the front end of thepistol comprising a lever loosely pivoted about an axis at right anglesto the axis of the pistol, said lever being constructed and arranged tobe moved to and from its operative position by certain movable parts ofthe pistol.

14. An ejector for an automatic pistol having able breech slideldismountable towards the front end of the pistol, comprisin a. leverlpivoted loosely about an axis at rig t angles to the axis of the pistoland disposed inthe pat-l1 of the breech slide so as to be loweredtowards the interior of the body by the push of the breech slide, whendismounting the arm, the magazine having been removed.

15. An ejector for an automatic pistol having a detachable magazine anda movable breech slide dismountable towards the front end of the pistol,comprising a lever loosely 'pivoted about an axis at right angles to theaxis of the pistol, said lever comprising a part which is lowered intothe interior of the body when dismounting the arm after the magazine hasbeen removed and which is pushed upwards by the magazine when the latteris reintroduced.

16. An. ejector for an automatic pistol having a detachable magazine anda movable breech slide dismountable towards the front end -of thepistol, comprisin a lever loosely pivoted about an axis at rig t anglesto the axis of the pistol, said lever being adapted to be lowered intothe interior of the body by the push of the breech slide whendlsmounting the arm, the magazine a detachable magazine and a movhavingbeen removed, and to be pushed up- JOI-IN DOUGLAS PEDERSEN.

